“On Some Ground State and Finite Temperature Properties of Mixed Valence Compounds Induced by Next to Next-Nearest-Neighbor (NNNN) Hopping ”. Bulletin of Pure and Applied Sciences – Physics 41, no. 2 (December 15, 2022): 59–64. Accessed November 24, 2024. https://acspublisher.com/journals/index.php/bpasphy/article/view/8510.